Home / 80,974.09-111,744.44-45,166.42

Finding the Fourth Proportional to 80,974.09, 111,744.44 and 45,166.42

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Solution

The fourth proportional to 80,974.09, 111,744.44 and 45,166.42 is: 62,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,974.09 : 111,744.44 = 45,166.42 : x
  2. Step 2: Convert to fraction form
    80,974.09/111,744.44 = 45,166.42/x
  3. Step 3: Cross multiply
    80,974.09x = 111,744.44 × 45,166.42
  4. Step 4: Simplify right side
    80,974.09x = 5,047,095,525.15
  5. Step 5: Solve for x
    x = 5,047,095,525.15/80,974.09
  6. Step 6: Final answer
    x = 62,329.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.